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What is the method for replacing piston rings?

1 Answers

McIsaac

07/29/25 7:09pm

Replacing piston rings mainly involves the following steps: 1. For twisted rings, the inner circular groove should face upwards, while the outer circular groove ring's groove should face downwards; 2. The small end of the tapered ring should face upwards; 3. For rings with inner chamfers, the chamfer should face upwards; 4. For rings with outer chamfers, the chamfer should face downwards; 5. Some piston rings are marked with "TOP" on one side, and during installation, the marked side must face upwards; 6. Barrel-faced rings or chrome-plated rings should be installed in the first ring groove; 7. When installing a combined steel oil ring, first insert the expander spring into the groove, then install the upper and lower scraper rings, ensuring their openings are staggered by 180°.

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